AUDEZE / MM-520 Over-ear Headphones

<>Audeze’s "MM-520" is an open-back planar magnetic headphone that succeeds the acclaimed MM-500, developed in collaboration with Grammy Award winner Manny Marroquin.

■ An open-back planar magnetic model inheriting the reliability of the acclaimed "MM-500"
・ Inherits the outstanding reliability of the "MM-500"—co-developed with 18-time Grammy winner Manny Marroquin and a standard in studios worldwide. This open-back planar magnetic headphone packs Audeze’s latest technology to deliver deep, tight bass, extremely faithful mids, and high-resolution sound.

■ A fusion of US-made 90mm diaphragms and proprietary advanced acoustic technology
・ Features a 90mm Ultra-thin Uniforce diaphragm, handcrafted and precision-tuned at Audeze's Southern California facility. Technologies such as the Fluxor magnet structure (Neodymium N50), Fazor waveguides, and the patent-pending "SLAM" technology push bass tightness and mid-range precision to the limit.

■ Recreate a top-tier studio monitoring environment anywhere
・ Designed with the robustness and precision required for uncompromising studio work. It handles everything from critical acoustic analysis to "one-take" recordings, recreating a soundstage—reminiscent of being surrounded by elite studio monitors in a perfectly tuned listening room—wherever you are.

■ Overwhelming resolution that instills unwavering confidence in sonic decisions
・ From the moment you put them on, previously unheard sonic depth and breathtakingly intricate details vividly emerge. It supports the confidence that every sonic decision made will be accurately reproduced across any playback system, serving as a truly reliable new reference for professional environments.

■ Ergonomic slow-recovery memory foam ear pads
・ Features upgraded, ergonomically designed slow-recovery memory foam ear pads. Designed to reduce ear fatigue and provide a stress-free, comfortable fit, even during grueling, long-duration mixing sessions. It maintains a comfortable monitoring environment for extended periods of work.

■ Magnetic attachment system for easy daily maintenance
・ Features a newly adopted magnetic attachment system for the ear pads. The magnets allow for smooth removal and attachment, making daily maintenance tasks—such as cleaning after use or replacing worn-out parts—quick, easy, and convenient.

■ Extensive accessories, including a premium aluminum case and conversion adapter
・ Includes a 250cm cable with a gold-plated 6.3mm (1/4") stereo plug and a 6.3mm-to-3.5mm mini-plug conversion adapter. Also comes with a premium aluminum case and an MM-series soft case for secure storage and transport, ensuring peace of mind when taking the headphones outside the studio.


・ Style: Over-ear, open-back
・ Type: Planar magnetic
・ Diaphragm (Dimensions): 90 mm (Ultra-thin Uniforce diaphragm)
・ Magnet Structure: Fluxor (Neodymium N50)
・ Acoustic/Technical Features: Fazor technology, SLAM technology
・ Max Output: >130dB
・ THD: <0.1% @ 100 dB SPL
・ Sensitivity: 100dB / 1mW
・ Impedance: 18 ohms
・ Power Handling: Min. 100mW / Recommended 500mW / Max. 5W RMS
・ Weight: 555g (unit only)
・ Ear Pads: Ergonomic slow-rebound memory foam ear pads (magnetic attachment system)
・ Accessories: Cable (gold-plated 6.3mm stereo plug / 250cm), 6.3mm-to-3.5mm mini-plug adapter, premium aluminum case, MM-series soft case
・ Warranty Period: 1 year